_find_folder() used a plain lowercase compare which failed when the
server canonical folder name differs from the comparison.json mod name
in more than just case (e.g. spaces vs underscores: "NIArms All in One"
vs "@NIArms_All_In_One"). These mods showed ✗ even though the pipeline
found and linked them correctly.
Add a normalized-name fallback (strips non-alphanumeric, same logic as
fetcher._normalize_name) so the lookup matches the same way the fetcher
resolves mods from the server index.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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